Home / 20,377.02-30,565.64-9,275.94

Finding the Fourth Proportional to 20,377.02, 30,565.64 and 9,275.94

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Solution

The fourth proportional to 20,377.02, 30,565.64 and 9,275.94 is: 13,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.02 : 30,565.64 = 9,275.94 : x
  2. Step 2: Convert to fraction form
    20,377.02/30,565.64 = 9,275.94/x
  3. Step 3: Cross multiply
    20,377.02x = 30,565.64 × 9,275.94
  4. Step 4: Simplify right side
    20,377.02x = 283,525,031.11
  5. Step 5: Solve for x
    x = 283,525,031.11/20,377.02
  6. Step 6: Final answer
    x = 13,913.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.